Description
Overview
GAOTek portable digital conductivity meter is a portable multi-parameter water quality monitoring instrument used for testing water quality. It can be installed with up to 4 probes (built-in pressure sensor is for optional), can measure water quality parameters as below: Temperature, Conductivity, pH, ORP, Turbidity, Dissolved Oxygen, also can be replaced by Chlorophyll, Blue-green Algae, NH4+, K+, TSS, Salinity and etc. based on customers’ requirements.
Features
- Automatic identification, each probe is digital sensor, easy for replacement
- High degree of integration, can choose sensors with different parameters
- Self-cleaning function, self-cleaning coating film and wiper structure design, ensure the measurement
window clean, prevent microbial growth, reduce maintenance frequency
Technical Specifications
| Interface | 1pc communication interface for the host power supply, 4 interfaces for the base | ||
| Measuring depth | 0 to 100 m (pH, ORP, DO is 50 m) | ||
| Communication interface | RS 485 (Modbus) | ||
| Data Storage | > 60,000 reading records (optional default is not with it) | ||
| Sensors | Standard: Temperature, Conductivity, pH, Turbidity, Dissolved Oxygen | ||
| Resolution | 0.01 ℃ | ||
| pH | Measure range | 0 pH to 14 pH | |
| Resolution | 0.01 pH | ||
| Accuracy | ±0.1 pH | ||
| Response time | T 90 < 10 s | ||
| ORP | Measure range | –1999 mV to 1999 mV | |
| Resolution | 0.1 mV | ||
| Accuracy | ±20 mV (standard solution) | ||
| Response time | T 90 < 10 s | ||
| Turbidity | Measure range | 0.01 to 4000 NTU | |
| Resolution | 0 to 10 NTU:0.01 NTU； 10 to 100 NTU: 0.1 NTU, 100 to 4000 NTU:1 NTU |
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| Accuracy | 0 to 10 NTU: ±0.1 NTU； 10 to 100 NTU: reading value ±2% or ±0.1 NTU, which one is bigger; 100 to 4000 NTU：reading value ±5% |
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| Response time | T 90 < 20 s | ||
| Conductivity | Measure range | 0 to 200 ms/cm | |
| Resolution | 0 to 100 ms/cm：reading value ±0.5%; 100 to 200 ms/cm: reading value ±1% | ||
| Accuracy | ±1.5% or ±2 us/cm bigger one | ||
| Response time | T 90 < 15 s (according to range) | ||
| Chlorophyll | Measure range | 0 to 400 ug/L | |
| Resolution | 0.1 ug/L | ||
| Accuracy | ±0.1% | ||
| Response time | T 90 < 10 s | ||
| Blue green algae | Measure range | 0 to 100 ug/L or 0 to 100 RTU | |
| Resolution | 0.1 ug/L | ||
| Accuracy | ±0.05 ug/L | ||
| Response time | T 90 < 10 s | ||
| Temperature range | 32 °F to +122 °F (0 ℃ to +50 ℃) | ||
| Dimension | 16.33 in x 2.36 in (415 mm x 60 mm) | ||
| Weight | 3.30 lb (1500 g) | ||
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